#include<iostream>
using namespace std;
int main()
{
    int n1, mayor;
    cin>>n1;
    mayor=n1;
    while(n1!=0)
    {
        if(n1>mayor)
        {
            mayor=n1;
        }
        cin>>n1;
    }
    cout<<endl<<"El numero mayor es: "<<mayor;
    return 1;
}

